Vlie

Etymology
Perhaps related to 🇨🇬 (whence 🇨🇬); it has been suggested that both names ultimately derive from the same root as the modern 🇨🇬 verb.

Proper noun

 * 1) A seaway between Vlieland and Terschelling belonging to the province Frisia, the Netherlands, connecting the North Sea and the Wadden Sea.